The monkey talisman was first sighted in episode 10 The Jade Monkey it was found at the bottom of the ocean. Jade used the talisman to hide from The Dark Hand by turning herself into a monkey, but they stole it and Jackie retrived it in the end. The monkey talisman gave the user the ability to shapeshift into animals. It's unknown if it could be used to change into other people. [Source: wikia]